KK

Koji Kawayoko

NC Nikki Co.: 2 patents #17 of 53Top 35%
TC Tokyo Roki Co.: 2 patents #13 of 106Top 15%
Overall (All Time): #1,983,691 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9677507 Oil separator Takatsugu Kurosawa, Tadashi Ichikawa, Yoshinori Maehira, Takayuki Idehara, Tomoaki Fukuoka +2 more 2017-06-13
8979967 Filter device for gas Masashi Iwasaki, Yuka Yorita, Takaya Kohara, Tomoaki Fukuoka, Takatsugu Kurosawa +3 more 2015-03-17